JPH046816U - - Google Patents

Info

Publication number
JPH046816U
JPH046816U JP4680790U JP4680790U JPH046816U JP H046816 U JPH046816 U JP H046816U JP 4680790 U JP4680790 U JP 4680790U JP 4680790 U JP4680790 U JP 4680790U JP H046816 U JPH046816 U JP H046816U
Authority
JP
Japan
Prior art keywords
error signal
circuit
servo
focusing
error
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
JP4680790U
Other languages
English (en)
Japanese (ja)
Other versions
JP2556721Y2 (ja
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed filed Critical
Priority to JP1990046807U priority Critical patent/JP2556721Y2/ja
Publication of JPH046816U publication Critical patent/JPH046816U/ja
Application granted granted Critical
Publication of JP2556721Y2 publication Critical patent/JP2556721Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Optical Recording Or Reproduction (AREA)
JP1990046807U 1990-04-30 1990-04-30 光ピックアップのサーボ回路 Expired - Lifetime JP2556721Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1990046807U JP2556721Y2 (ja) 1990-04-30 1990-04-30 光ピックアップのサーボ回路

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1990046807U JP2556721Y2 (ja) 1990-04-30 1990-04-30 光ピックアップのサーボ回路

Publications (2)

Publication Number Publication Date
JPH046816U true JPH046816U (enrdf_load_html_response) 1992-01-22
JP2556721Y2 JP2556721Y2 (ja) 1997-12-08

Family

ID=31562201

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1990046807U Expired - Lifetime JP2556721Y2 (ja) 1990-04-30 1990-04-30 光ピックアップのサーボ回路

Country Status (1)

Country Link
JP (1) JP2556721Y2 (enrdf_load_html_response)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59229773A (ja) * 1983-06-10 1984-12-24 Pioneer Electronic Corp 記録情報読取装置
JPS60187940A (ja) * 1984-03-07 1985-09-25 Hitachi Ltd 光学的記録再生装置
JPS6134624U (ja) * 1984-07-31 1986-03-03 日本電気ホームエレクトロニクス株式会社 ゲイン較正型トラツキング回路
JPH0298825A (ja) * 1988-10-05 1990-04-11 Pioneer Electron Corp ディスク演奏装置

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59229773A (ja) * 1983-06-10 1984-12-24 Pioneer Electronic Corp 記録情報読取装置
JPS60187940A (ja) * 1984-03-07 1985-09-25 Hitachi Ltd 光学的記録再生装置
JPS6134624U (ja) * 1984-07-31 1986-03-03 日本電気ホームエレクトロニクス株式会社 ゲイン較正型トラツキング回路
JPH0298825A (ja) * 1988-10-05 1990-04-11 Pioneer Electron Corp ディスク演奏装置

Also Published As

Publication number Publication date
JP2556721Y2 (ja) 1997-12-08

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Legal Events

Date Code Title Description
EXPY Cancellation because of completion of term